1368826818 has 16 divisors (see below), whose sum is σ = 2763240480. Its totient is φ = 452011136.

The previous prime is 1368826751. The next prime is 1368826819. The reversal of 1368826818 is 8186288631.

It is not an unprimeable number, because it can be changed into a prime (1368826819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1065423 + ... + 1066706.

It is an arithmetic number, because the mean of its divisors is an integer number (172702530).

Almost surely, 2^1368826818 is an apocalyptic number.

1368826818 is an abundant number, since it is smaller than the sum of its proper divisors (1394413662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1368826818 is a wasteful number, since it uses less digits than its factorization.

1368826818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2132241.

The product of its digits is 884736, while the sum is 51.

The square root of 1368826818 is about 36997.6596286846. The cubic root of 1368826818 is about 1110.3234233259.

The spelling of 1368826818 in words is "one billion, three hundred sixty-eight million, eight hundred twenty-six thousand, eight hundred eighteen".